Sikaflex 1A White Polyurethane Sealant | Non-Sag Construction Moisture Cured Elastomeric Sealant

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Item #: SIKA-1A-WHT-20
Availability: Stock
Usually ships In 2-5 Business Days

Sikaflex-1a

  • Eliminates time, effort, and equipment for mixing, filling cartridges, pre-heating or thawing, and cleaning of equipment.
  • Fast tack-free and final cure times.
  • High elasticity - cures to a tough, durable, flexible consistency with exceptional cut and tear -resistance.
  • Stress relaxation.
  • Excellent adhesion - bonds to most construction materials without a primer.
  • Excellent resistance to aging, weathering.
  • Proven in tough climates around the world.
  • Can be applied to green concrete 24 hours after pour
  • Can be applied to damp concrete 1 hour after getting wet
  • Non-staining.
  • Jet fuel resistant.
  • Certified to NSF/ANSI/CAN 61 for potable water (meets applicable requirements of NSF/ANSI 600).
  • Urethane-based; suggested by EPA as a caulk and crack sealant for radon reduction.
  • Paintable with water-, oil- and rubber-based paints.
  • Capable of ±35% joint movement.
  • Packed 20 pcs/case

SEE COLOR CHART IN ADDITIONAL INFORMATION TAB BELOW

Available in- White, Aluminum Gray, Limestone, Black, Colonial White, Capital Tan & Dark Bronze

Price: $295.00

    Sikaflex 1A is a premium, one-component polyurethane sealant designed for professional-grade joint sealing in construction applications. Its non-sag consistency makes it ideal for vertical and overhead joints, delivering a durable, flexible seal that accommodates movement while maintaining strong adhesion.

    Engineered for long-term performance, Sikaflex 1A bonds to a wide variety of substrates including concrete, masonry, aluminum, steel, and wood—making it a versatile choice for both new construction and repair projects.

    Sikaflex-1a can be used in green and damp concrete applications. Meets Federal Specification TT-S-00230C, Type II, Class A. Meets ASTM C920, Type S, Grade NS, Class 35, Use T, NT, O, M,A, I. Canadian standard CAN/CGSB 19.13-M87.